I always wanted to play Garen jungle. It works in Season 3, but it does not because of the machete changes. Season 4 benefits attack speed junglers or sustained damage casters like Fiddlesticks, Warwick, Xin, and Master Yi. I like Casters.
As I understand it, the new jungle was to reward certain champions for having certain capabilities.
The old jungle was made so that just about anyone could jungle. So, is this what you want back?
Alternatively, you could always find a way to make them better in the jungle.
Out of curiosity...why?
Garen has a terrible kit for jungling (although you could maybe fix his clear speed by making E only deal reduced damage to lane minions): he's got no hard CC, a mediocre engage, and doesn't bring a ton of damage.
Making the jungle easier for Garen is simple though: make the passive timer kick in sooner when Garen wasn't damage by an enemy champion (or lane minion if that proves abusive in lane), and make E deal full damage to neutral monsters.
